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FU-645PDF-W1M2C - 1.55 um UNCOOLED DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (BIAS CIRCUIT INTEGRATED/ DIGITAL APPLICATION)
FU-645PDF-W1M1B - 1.55 um UNCOOLED DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (BIAS CIRCUIT INTEGRATED/ DIGITAL APPLICATION)